FR2388643A1 - Procede et appareil de serrage d'un ecrou - Google Patents

Procede et appareil de serrage d'un ecrou

Info

Publication number
FR2388643A1
FR2388643A1 FR7712766A FR7712766A FR2388643A1 FR 2388643 A1 FR2388643 A1 FR 2388643A1 FR 7712766 A FR7712766 A FR 7712766A FR 7712766 A FR7712766 A FR 7712766A FR 2388643 A1 FR2388643 A1 FR 2388643A1
Authority
FR
France
Prior art keywords
nut
distance
assembly system
bolt assembly
tightening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR7712766A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GKN Fasteners Ltd
Original Assignee
GKN Fasteners Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GKN Fasteners Ltd filed Critical GKN Fasteners Ltd
Priority to FR7712766A priority Critical patent/FR2388643A1/fr
Publication of FR2388643A1 publication Critical patent/FR2388643A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne l'obtention de conditions de serrage prédéterminées pour un ensemble boulon-écrou. Le dispositif de l'invention est destiné à être utilisé avec un écrou 14 possédant un rebord 16 dans lequel se manifeste une déformation plastique au moment de l'obtention de conditions de serrage prédéterminées. Le dispositif 13 comporte un mécanisme qui actionne un minirupteur 41 et fournit un signal en réponse à cette déformation. Application à la construction mécanique.
FR7712766A 1977-04-27 1977-04-27 Procede et appareil de serrage d'un ecrou Withdrawn FR2388643A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7712766A FR2388643A1 (fr) 1977-04-27 1977-04-27 Procede et appareil de serrage d'un ecrou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7712766A FR2388643A1 (fr) 1977-04-27 1977-04-27 Procede et appareil de serrage d'un ecrou

Publications (1)

Publication Number Publication Date
FR2388643A1 true FR2388643A1 (fr) 1978-11-24

Family

ID=9189999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712766A Withdrawn FR2388643A1 (fr) 1977-04-27 1977-04-27 Procede et appareil de serrage d'un ecrou

Country Status (1)

Country Link
FR (1) FR2388643A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB961621A (en) * 1962-04-05 1964-06-24 Btr Industries Ltd Spanners for use with strain-indicating means
US3138987A (en) * 1961-08-07 1964-06-30 Hi Shear Corp Fasteners
FR2047304A5 (fr) * 1969-05-06 1971-03-12 Cooper Ind Inc
US3969960A (en) * 1974-05-13 1976-07-20 Dominick A Pagano Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138987A (en) * 1961-08-07 1964-06-30 Hi Shear Corp Fasteners
GB961621A (en) * 1962-04-05 1964-06-24 Btr Industries Ltd Spanners for use with strain-indicating means
FR2047304A5 (fr) * 1969-05-06 1971-03-12 Cooper Ind Inc
US3969960A (en) * 1974-05-13 1976-07-20 Dominick A Pagano Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed

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Legal Events

Date Code Title Description
ST Notification of lapse